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The implementation of new content and pedagogical standards in science education necessitates intensive, long-term professional development of science teachers. In this paper, we describe the rationale and structure of a comprehensive and intensive professional development program of school-based leaders, namely school chemistry coordinators. The year-long program was designed so that the chemistry teachers who enrolled in the program were able to develop in three interrelated aspects: content knowledge, pedagogical content knowledge, and leadership ability. Several strategies for the development of these aspects were adopted from Loucks-Horsley, Hewson, Love, & Stiles (1998). The evaluation of the program focused on the changes that participating teachers underwent regarding their personal beliefs and their functioning as school chemistry coordinators in their schools. 相似文献
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Sam Khamis Barry Danino Shlomo Hayek Eli Carmeli 《Measurement in physical education and exercise science》2018,22(2):145-153
The aim of this study was to quantify clearance mechanics during gait. Seventeen children diagnosed with hemiplegic cerebral palsy underwent a three-dimensional gait analysis evaluation. Dynamic leg lengths were measured from the hip joint center to the heel, to the ankle joint center and to the forefoot throughout the gait cycle. Significant asymmetry was observed during stance, initial and terminal swing phases, where the hemiplegic limb was found shorter by using a paired t-test at 51 sample points (p < .05). The hemiplegic side was restricted in achieving maximal length during terminal swing. The ratio between the maximal dynamic leg length during the stance phase to minimal dynamic leg length during the swing phase was found higher on the non-involved side and lower on the hemiplegic side (p < .05). Quantifying clearance mechanics based on dynamic leg length can provide an additional insight into the analysis of gait patterns and might assist in detecting time of abnormal kinematic deviations. 相似文献
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David Ben-Chaim Barbara Fresko Miriam Carmeli 《Educational Studies in Mathematics》1990,21(5):415-429
Comparisons were made between teacher and pupil perceptions of eight facets of the mathematics classroom environment: difficulty, speed, inquiry, diversity, satisfaction, competitiveness, formality, and goal-direction. Questionnaires measuring classroom environment were administered in 60 junior high school mathematics classes to 1338 pupils and their teachers. Teacher perceptions tended to differ from pupil perceptions although not always in the hypothesized direction. Teacher gender and pupil sex ratio were somewhat related to teacher-pupil differences, while grade level and ability level were less consistently associated with differences.This is an extended version of a paper presented at the 13th International Conference of the Psychology of Mathematics Education held in Paris, France, 9–13 July 1989. 相似文献
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Ruhama Even Naomi Robinson Miriam Carmeli 《International Journal of Science and Mathematics Education》2003,1(2):227-249
This paper is an initial investigation into the practice of providers of professional development for teachers of mathematics. The study examines the work of two providers of professional development for teachers of mathematics. Both provided professional development while working with teachers on implementing a new mathematics curriculum for seventh grade. Although their work conditions were quite different from each other the study reveals that there were similar characteristics in their practices. The most salient ones were acting out lessons, analyzing principles of the new curriculum, encouraging the teachers to explicate their concerns, and asking teachers to solve concrete practical problems related to the reservations they have about specific components of the new curriculum. The role of a program that prepared the two participants to be providers of professional development for teachers is also discussed. 相似文献
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